hi again,
- psu 30 days, just because the old (500 watt) one was not working anymore, and it's was planned to improve the graphic card, so i changed it with a new one, a cheap one, the name over there is welly pro 600w
- I use the slot closer to the cpu, there was a palit 9400 and i changed this old card with the new gigabyte gtx 560
- I have connected both the power plugs, I have installed some molex splitter (Y) to do that because the gtx 560 need 4 plugs
the pc have one hd 500 gb, one dvd rw, one more network card.
I have double checked the power plug, removed e plugged again, I did another test, and resets the pc on Direct3D 10 ALU... again